CN203193909U - An ad-hoc network terminal device - Google Patents
An ad-hoc network terminal device Download PDFInfo
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- CN203193909U CN203193909U CN 201220717281 CN201220717281U CN203193909U CN 203193909 U CN203193909 U CN 203193909U CN 201220717281 CN201220717281 CN 201220717281 CN 201220717281 U CN201220717281 U CN 201220717281U CN 203193909 U CN203193909 U CN 203193909U
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Abstract
The utility model relates to an ad-hoc network terminal device comprising a master control platform, peripheral devices, and an antenna. The master control platform comprises a master control unit, an interface unit, and a button unit. The master control unit is provided with a processor, a memory, and application software used for controlling peripheral hardware devices in order to achieve the functions of the peripheral hardware devices. The ad-hoc network terminal device is characterized in that the application software comprises following modules of a MESH wireless access module, a GPS module, a network controller, a power management module, a USB interface chip, and an audio processing module. The peripheral devices comprise a wireless access device, a GPS device, a keyboard, a screen, an Ethernet device, a USB device, a power management device, a video image acquiring device, and an audio input and output device. The ad-hoc network terminal device is capable of bringing convenience to users by using an ad-hoc network formed by a wireless local area network under conditions of special open environment, temporary conferences, and emergency cases. Therefore, time and resource are saved and efficiency is increased.
Description
Technical field
The utility model relates to the web camera technical field of video monitoring, especially a kind of Ad hoc network terminal equipment.
Background technology
Since wireless network after producing the seventies, it is popular day by day in computer realm, especially the development of last decade mobile radio networks is at a tremendous pace especially.The mobile radio network that exists has two kinds at present: first kind of network that is based on network infrastructure, the typical case of this network is applied as wireless lan (wlan).Second kind is the network of no network infrastructure, generally is referred to as self-organization network, i.e. AD HOC.
Existing mobile radio network is made of portable terminal and fixed base stations two parts.Portable terminal is communicated by letter mutually with fixed base stations.Portable terminal does not possess routing function, and routing and switching function is responsible in the base station.The gateway that has access to spider lines is served as in the base station.
Mobile node need be equipped with the wireless network network interface card, and mobile node is connected with fixed network by access point, and WLAN is operated in link layer, and is transparent to network layer, and WLAN is a single-hop networks concerning network layer.
So this networking mode has certain limitation, show as follows: 1. the main frame position is constant substantially in the fixed network; 2. the general more complicated of fixed network structure.3.WLAN, infrared network all is single-hop networks; 4. all communications of portable terminal all will be carried out through access point, cause the waste of the energy content of battery and network bandwidth resources; In the absence of outer net.Even and existing portable terminal connects the local area network (LAN) that the back is formed by wireless route, they also can't carry out data each other and transmit.5. when particular surroundings (spaciousness), temporary meeting, emergency are used: (1), will consider time and cost that access network service provider is required; (2), performance or the ability of existing service and framework; (3), the user can keep away from network infrastructure and being connected of network.
Summary of the invention
The utility model is at the problem of above-mentioned existence, in order to save time and resource, especially the MANET that at special spacious environment, temporary meeting, in emergency circumstances can utilize WLAN (wireless local area network) to form brings convenience for the user, collects the Ad hoc network terminal equipment that transmits real-time update and invented a kind of data.
Vehicle-mounted type or handheld Ad hoc network terminal equipment can be set up communication network automatically with the same category of device that equipment is carried out the same air interface agreement.At the network signal area of coverage, after device power-up enters system platform, finish network connection automatically; Equipment enters behind the area of coverage fast quick-recovery network connection automatically from the network signal blind area; Equipment can automatically switch to the reasonable AP of network signal.Each terminal can be carried out full duplex formula voice communications versus data communications in the net, or as the signal transmission trunking of other same category of device, as shown in Figure 2.
Above-mentioned technical problem of the present utility model is implemented by the following technical programs: a kind of Ad hoc network terminal equipment, comprise master control platform, ancillary equipment, antenna, described master control platform comprises main control unit, interface unit, push-button unit, main control unit is provided with processor, memory, and be used for control peripheral hardware equipment to realize the application software of its function, it is characterized in that described application software comprises following module: MESH radio access module, GPS module, network controller, power management module, USB interface chip, audio processing modules;
Described ancillary equipment comprises: radio reception device, GPS equipment, keyboard, screen, ethernet device, USB device, power supply management device, video image acquisition equipment, audio frequency input-output equipment;
Described interface unit comprises: screen interface, keyboard interface, function key interface, audio frequency input/output interface, video image acquisition interface, the antennal interface that links to each other with the CPS module with the MESH radio access module, the Ethernet interface that links to each other with network controller, the power interface that links to each other with power management module, the USB interface that links to each other with the USB interface chip;
Described ancillary equipment is connected with main control unit by described interface unit.
Above-mentioned master control platform adopts the ARM acp chip that dominant frequency 600MHz is above, support floating-point operation, the acceleration of band figure, and RAM, and NAND FLASH memory support Chinese to show and handwriting input.
As preferably, described antenna comprises gps antenna, 2.4G antenna, and wherein, gps antenna is connected with the GPS module, and the 2.4G antenna is connected with the MESH radio reception device.
As preferably, described push-button unit comprises volume control key, a plurality of function key, PTT key, emergency button.
As preferably, described Ad hoc network terminal equipment is divided into vehicle-mounted type terminal equipment and handheld terminal equipment; Wherein the vehicle-mounted type terminal equipment comprises the Ad hoc network terminal equipment body, holder, vehicle GPS antenna, vehicle-mounted 2.4G antenna, hand miaow, vehicle-mounted USB camera, usb data line, vehicle power line, the audio output line of Ad hoc network terminal equipment body be used for to be installed.
As preferably, handheld terminal equipment comprises Ad hoc network terminal equipment body, antenna, battery, charger, usb data, power line.
In sum, the utility model compared with prior art has following advantage:
1, the advantage of Ad hoc network terminal equipment.
Equity between a, no centralization and the node.The Adhoc network is an equity network, and all nodes is equal in the network, need not to arrange any center control node (Infrastructureless does not rely on the fixing network facilities).Network node is terminal, also is router, when certain node will with its coverage outside node when communicating, need the multi-hop of intermediate node (ordinary node) to transmit (Multi-hopDistributed).
B, discovery (Self-Discovering) certainly, configuration (Self-Configuring), self-organizing (Self-Organizing) automatically, self-healing (Self-Healing).The Adhoc network node can adapt to the dynamic change of network, the existence of other node of fast detecting and survey the capability set of other nodes, network node is coordinated each other behavior by distributed algorithm, need not manual intervention and any network facilities that other presets, can be at any time rapid deployment and automatic network-building Anywhere.Because the redundancy of the distributed nature of network, node and do not have single point failure point, the fault of any node can not influence the operation of whole network, has very strong survivability and robustness.
C, have and need not to set up the network facilities, can dispose fast and characteristics such as survivability is strong, will become the one preferred technique of digital battlefield.
D, to remote field, scientific investigation, mine operation and the outlying district execute the task, perhaps meet urgent occasion, natural calamity etc., emergency situations, rescue and relief work are provided support.
2, adopt the utility model can reach following some effect:
Voice communication, note manner of breathing mutual between a, the realization terminal equipment are moving: can carry out voice communication, receiving short message between the terminal equipment in the consolidated network, comprise broadcasting, group, point-to-point several modes.
Mutual video communication between b, the realization terminal equipment: vehicle-mounted machine is by the external camera of USB interface, hand-held set built-in camera.
C, realize GPS location mutual between the terminal equipment: terminal equipment together sends to designated terminal with information such as position, time and car number or personnel's numberings after obtaining self positional information from built-in GPS module; Simultaneously, vehicle-mounted machine can receive the vehicle peccancy information that designated terminal sends and directly point out at display screen.
Description of drawings
Fig. 1 is the schematic diagram of MANET;
Fig. 2 is theory diagram of the present utility model;
Fig. 3 is the schematic diagram of the utility model main control unit;
Fig. 4 is electric power management circuit figure;
Fig. 5 is vehicle-mounted type interface unit schematic diagram;
Fig. 6 is handheld interface unit schematic diagram;
Fig. 7 is the drive functional module block diagram that comprises in the utility model software.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1:
The vehicle-mounted type terminal equipment comprises the Ad hoc network terminal equipment body, holder, vehicle GPS antenna, vehicle-mounted 2.4G antenna, hand miaow, vehicle-mounted USB camera, usb data line, vehicle power line, the audio output line of Ad hoc network terminal equipment body be used for to be installed.
As shown in Figure 2, Ad hoc network terminal equipment mainly is made up of master control platform CPU, ancillary equipment, antenna; Wherein, ancillary equipment comprises: radio reception device, GPS module, touch-screen, keyboard, Ethernet equipment, USB device, power supply management device, battery, video image acquisition equipment, audio frequency input-output equipment; Antenna comprises gps antenna and 2.4G antenna.
Described radio reception device, GPS module, touch-screen, keyboard, Ethernet equipment, USB device, power supply management device, battery, video image acquisition equipment, audio frequency input-output equipment all are connected with master control platform CPU; Gps antenna is connected with the GPS module, and the 2.4G antenna is connected with radio reception device.
MANET is gathered audio frequency, video, from each external input equipment and is Aned Key, gps data, MESH(Mesh network i.e. " wireless mesh network ", it is a wireless multi-hop network, being by the development of ad hoc network, is one of key technology that solves " last kilometer " problem.In the process of picture next generation network evolution, wireless is an indispensable technology.Wireless mesh can be communicated by letter with other network cooperating.Be the network architecture that can constantly expand dynamically, two equipment all can keep wireless interconnected arbitrarily.) information such as network data, and in microprocessor, carry out the corresponding data computing, at last the result is exported all kinds of output equipments---as loudspeaker, display screen, MESH radio reception device etc., as in voice communication, it is a kind of brand-new mobile technology that application software collects PTT(PTT (Push-to-Talk) function, can carry out " one to one " or " one-to-many " conversation rapidly, just as using the intercommunication message register.The personal user that the small-sized and medium-sized enterprise of contact and needs were chatted with friend and household in the middle of the suitable needs of this function were frequent) after the button input, the voice signal that the control audio frequency apparatus collects microphone carries out the sample code compression, sends into the processing of MESH radio reception device again and goes out by aerial radiation; Simultaneously antenna also receives the speech data that other terminal is sent, and changes into the discernible data of application software through the MESH radio reception device by interface protocol, after application software is controlled audio frequency apparatus again its uncompressed encoding amplification etc. is handled, sends into loudspeaker and changes into sound.
Described master control platform comprises main control unit, interface unit, push-button unit; Main control unit is provided with processor, memory, and is used for control peripheral hardware equipment to realize the application software of its function; On the master control platform of operation ANDROID 2.1 operating systems, application software is controlled corresponding hardware device to realize various functions.
In addition, terminal equipment also provides operation platform and all kinds of api interface for expansion software, realizes its peculiar function.
1, main control unit is the core of terminal equipment, is the main body that realizes functions of the equipments, compatible vehicle-mounted and two kinds of types of hand shovelling.
The acp chip of main control unit adopts arm processor, such as the little RK2818 chip of auspicious core, it comprises the ARM9+DSP+GPU kernel, and dominant frequency reaches more than the hundreds of MHz, be 640MHz, the internal USB module is supported GPS and camera function, supports the full format audio decoder, and the above HD video of 720P, the support video accelerates, low-power consumption, and support the system of ANDROID more than 2.1.According to the demand of different situations, what main control unit can also be equipped with at least 1 NAND FLASH(HYNIX MLC 16Gb 24BIT is the 2GB flash chip) and at least 1 or 2 memory rams (HYNIX MOBILE DDRII 2Gb is the 512MB internal memory).
As shown in Figure 3, described main control unit comprises with lower module: MESH radio access module, GPS module, network controller, power management module, USB interface chip, audio processing modules.
1.1, radio reception device adopts the MESH radio access module, the major function of MESH radio access module is to realize the aerial data-interface agreement of Maxtech mesh network protocol, automatically set up, safeguard, new routing information more, automatically select service aisle, to encapsulate from the data of master control platform, and select best route, after the BPSK modulation, be fed to antenna and send; The radiofrequency signal that the demodulation antenna receives, and judge data this machine data whether after the demodulation passes to governor circuit dealing with if then change into the data of certain format, otherwise transmits according to self-built routing iinformation.This module adopts standard MINI-PCIE control interface and superminiature high-frequency low-consumption antennal interface.
1.2, the GPS module, adopt to be applicable to mobile device, the module of low-power consumption such as SiRFstarIV GSD4t, can be included in the remote valley or bad indoor environment under various environmental conditions, and rapid and precise locating information is provided; Can follow the trail of 48 satellite channels simultaneously; Horizontal location precision＜2.5m, warm start time＜1s; Highly sensitive, 147dBm (obtaining), 163dBm (tracking).This module can be passed through UART, and modes such as SPI or I2C are communicated by letter with master chip, is simple and easy to use.
1.3, the ETHERNET controller.
If ARM microprocessor chip, such as the not integrated ethernet feature of the little RK2818 chip of auspicious core, then need external ETHERNET controller to realize, such as the DM9000 chip that adopts low-power consumption here, its inner integrated 10/100M self adaptation transceiver, the automatic synchronization function will be finished configuration automatically, be fit to its line bandwidth to greatest extent; Have general processor interface, register manipulation is simply effective, and ripe driver support is arranged, and cooperates with processor to realize the network data transmission function.
1.4, audio processing modules.
Audio frequency processing circuit is made of audio codec (such as TLV320ALC), compression/decompression chip (such as AMBE-2020), driving amplifying circuit and other peripheral circuit.Microphone signal is after the RC filter circuit is sent into audio codec (such as TLV320ALC) and carried out sample code, and data compression in compression/decompression chip (such as AMBE-2020) again is to reduce the data volume in the voice communication course; The process of audio frequency output is then opposite, the ARM microprocessor is sent the speech data that receives into decompress(ion) in the compression/decompression chip (such as AMBE-2020), again through audio codec (such as TLV320ALC) decoding, DA(digital-to-analogue conversion) analog signal that produces of back sends into amplifying circuit, drives loudspeaker generation sound at last.If the encoding and decoding of ARM microprocessor chip integrated audio, compression/decompression function then can be saved this partial circuit.
1.5, power management module realizes master control platform power management (such as adopting the MAX8671X chip).Satisfy the economize on electricity demand simultaneously; also support USB and DC input; the withstand voltage 16V that reaches; export 5 the tunnel and stablize adjustable voltage, also integrated lithium battery charger is selected external power source or powered battery automatically; DC input current thresholding reaches as high as 1A; the USB input current can be set to 100～500mA, possesses functions such as overvoltage protection, overtemperature protection, charged state indication simultaneously, uses block diagram as shown in Figure 4.
2, interface and push-button unit:
Main control unit comprises a plurality of interfaces, and compatible hand-held and vehicle-mounted two kinds of terminals are as follows:
Key screen interface: comprise touch screen, keyboard, 5 function keys, PTT key, loudspeaker, microphone interface.
USB interface: realize transfer of data, audio frequency IO, charging, support USB device, such as the interface chip MC34825 that adopts Freescale, to satisfy the demand.
Ethernet interface: should comprise Ethernet interface on the main control unit and be forwarded to the vehicle-mounted type interface unit, to satisfy the demands.
Antennal interface: comprise gps antenna interface and 2.4G antennal interface, because vehicle-mounted type is different with the antenna of handheld employing, should consider its interface compatibility in the design.
Power interface: handheld terminal needs the battery contact interface, and car-mounted terminal needs the DC power input interface.
Utilizing camera interface: handheld terminal need dispose the utilizing camera interface that links to each other with processor, and car-mounted terminal then connects by the USB mouth.
2.1, the vehicle-mounted type interface unit, this unit block diagram as shown in Figure 5:
The major function of vehicle-mounted type interface unit is to realize the switching of power supply and all kinds of IO mouths, and the main control unit in the on-vehicle host is connected on IO equipment or the external physical interface, and mainly comprise: touch screen, hand miaow, vehicle-mounted audio amplifier, vehicle-mounted USB make a video recording first-class; In addition, this unit has also comprised five function keys, mains switch and indicator lights.
Touch screen is connected to the touch screen interface, and the hand miaow connects miaow interface in one's hands, and vehicle-mounted audio amplifier is connected to the standard audio interface, and the standard audio interface also links to each other with microphone, horn interface, and the PTT interface links to each other with hand miaow interface.
Display screen:
According to customer demand, the vehicle-mounted type terminal adopts 7 inches, 16:9 touch screen, and the OLED touch screen of 2.4 inches of handheld terminal employings, 240*320 is high-visible to guarantee under the high light; Two kinds of screen interfaces selecting for use should be consistent, and are identical to guarantee the design of hardware and software interface.(at least two kinds all will with the CPU compatibility, but design difficulty increases)
Hand miaow (vehicle-mounted):
The vehicle-mounted type terminal needs outer catcher miaow to realize the input and output of audio frequency, the directly outsourcing of hand miaow, but the firm snap fit of interface.
Camera:
According to customer demand, the vehicle-mounted type terminal is selected the vehicle-mounted pick-up head of USB interface for use, and pixel is more than 300W, and this series products is less in the market, needs the outsourcing customization, mainly considers vehicle-mounted installation and rainproof problem.
Battery:
Two kinds of terminals can adopt identical battery, are 3.7V, and the 2500mAh Li-Ion rechargeable battery is to guarantee the requirement of terminal equipment stand-by time.
Embodiment 2:
Handheld terminal equipment comprises Ad hoc network terminal equipment body, antenna, battery, charger, usb data, power line; Compare with embodiment 1, distinctive points is:
1, handheld button:
Main control unit is provided with volume control key, the PTT key, and emergency button is to satisfy the characteristics of handheld terminal structure compactness.Processor is handled after receiving each push button signalling accordingly.
2, handheld interface unit, this unit block diagram be as shown in Figure 6:
The major function of handheld interface unit is being forwarded on the main control unit of realization keyboard, touch screen, loudspeaker and microphone.
3, touch screen:
The OLED touch screen of 2.4 inches of handheld terminal employings, 240*320, high-visible to guarantee under the high light.
Two kinds of touch screen interfaces that handheld and vehicle-mounted type terminal are selected for use should be consistent, and are identical with assurance design of hardware and software interface.
4, camera:
The camera of handheld terminal can be selected on the present mobile phone camera commonly used for use, pixel more than 300W, its interface should with the CPU compatibility.
5, charger, each patchcord:
Handheld terminal need be equipped with charger, can adopt straight/seat to fill the integral type charger, need be according to the outsourcing of battery specification or customization.
The software design:
1. summation
The major function of terminal device software is that the various hardware devices of control carry out image data, data processing, output information, with communication functions such as the voice of realizing equipment, video, data, and provide the device parameter setting, functions such as expanded application mainly comprise system architecture, device drives, application layer software and service, interface protocol, user interface etc.
2. system architecture
According to customer requirement, terminal equipment adopts Android 2.1 operating systems.
3. system drive
3.1 drive functional module block diagram
The drive functional module block diagram that comprises in the software is illustrated in fig. 11 shown below, wherein keyboard, GPS, demonstration, network, audio frequency, USB can use system or existing ripe driving of development platform, and special function keys, PTT and MESH radio access module are the custom features of Ad hoc network terminal equipment, and needing again, exploitation drives.
3.2 MESH radio access module
The interface protocol that the MESH radio access module needs to provide according to the customer carries out customized development, and its model can be with reference to the Wifi module drive.
4. application layer software and service
4.1 voice communication
Function of voice communication brings into operation after the device power-up loading system as the automatic loading service of equipment, namely handles and controls audio frequency apparatus and export loudspeaker to when receiving speech data that the MESH radio reception device sends here; When detecting the PTT push button signalling, namely control audio frequency apparatus collection microphone signal and handle and send by the MESH radio reception device, also handle voice data and the output sound that receives simultaneously.
4.2 short message
Short message function is an application program of equipment, needs to start operation, its interface and mode of operation and SMS basically identical by menu option.
4.3 video communication
Video communication also is an application program of terminal equipment, starts operation by menu option or shortcut, can carry out video and voice communication after starting, and this moment, the PTT key was invalid.
4.4 GPS location
GPS location is the automatic loading service of equipment, brings into operation after the device power-up loading system, regularly obtains current location information from the GPS module, and from the MESH radio reception device transfer fixed point of bristling with anger.
4.5 urgency communication
The urgency communication function also is the automatic loading service of equipment, after the device power-up loading system, bring into operation, in case detect the danger button signal, namely from MESH radio reception device broadcasting emergency information, and in a single day equipment receive emergence message, and software then provides prompting at display screen.
4.6 parameter setting
Software also allows to arrange for example interface language, theme, display font, contrast, volume and the selection of MIC susceptibility.The pet name, my group, interpolation group, broadcasting, serial line interface, transmission rate, network matrix, light extinction mode, battery saving mode and technology mode etc.
Use MANET, Ad hoc network terminal equipment can reach following functional effect:
1. mutual voice communication between the realization terminal equipment: can carry out voice communication between the terminal equipment in the consolidated network, wherein voice communication comprises broadcasting, group, point-to-point several modes.
Tong Guo is Aned Key or touch screen selected communication mode (broadcasting, group, point-to-point) from menu option, after pressing the PTT key, can carry out two way voice communication by internal or external microphone and loudspeaker, the equipment behind the PTT key of unclamping still can receive other people voice messaging and the loudspeaker output sound from the hand miaow; The I that gives great volume is regulated by volume adjusting key or menu option on the hand-held set.
2. the note manner of breathing between the realization terminal equipment is moving: can carry out receiving short message between the terminal equipment in the consolidated network, comprise broadcasting, group, point-to-point several modes.Terminal equipment is from the selected communication mode (broadcasting, group, point-to-point) of menu option, by sending after keyboard (only hand-held set) or touch screen (hand-held set or vehicle-mounted machine all can) the input information content, receiving device is received and can be shown the information content after the information and reply.
3. mutual video communication between the realization terminal equipment: vehicle-mounted machine is by the external camera of miniUSB interface, the hand-held set built-in camera, and its pixel is more than 3,000,000.When the needs transmission of video, terminal equipment starts the video upload function by menu option, from camera collection field condition (comprising on-the-spot sound and image), and is sent to other terminal in real time, and this moment, the PTT key was invalid.In addition, hand-held set can directly start video communication function by the voice/video shortcut.
4. mutual GPS location between the realization terminal equipment: terminal equipment together sends to designated terminal with information such as position, time and car number or personnel's numberings after obtaining self positional information from built-in GPS module; Simultaneously, vehicle-mounted machine can receive the vehicle peccancy information that designated terminal sends and directly point out at display screen.
5. realize the emergency mode (hand-held set) of terminal equipment: can start this pattern by long by the danger button on the hand-held set.Under this pattern, hand-held set is with continuous broadcasting emergency warning information, and all receive the equipment of critical alarm information and directly point out at display screen; Again often by closing urgency communication.This pattern does not influence normal speech communication.
6. realize the support expanded application of terminal equipment: terminal equipment is also supported expanded application, can and install by miniUSB interface copy application software.It provides operation platform and all kinds of api interface for application software, carries out signals collecting, data processing, signal output etc. for application software, realizes self function of application software, as flight inquiring, vehicle scheduling etc.
Vehicle-mounted machine also provides the Ethernet network interface, supports the network application software that expansion is relevant with Ethernet.
7. realize the monitoring function of terminal equipment: terminal equipment can be monitored running parameters such as battery remaining power, GPS and MESH wireless signal strength in real time.
8. realize the device parameter setting of terminal equipment: terminal equipment provides " setting " menu that the equipment self running parameter is arranged.
Specific embodiment described in the literary composition only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. Ad hoc network terminal equipment, comprise master control platform, ancillary equipment, antenna, described master control platform comprises main control unit, interface unit, push-button unit, main control unit is provided with processor, memory, and be used for control peripheral hardware equipment to realize the application software of its function, it is characterized in that described ancillary equipment comprises: radio reception device, GPS equipment, keyboard, screen, ethernet device, USB device, power supply management device, video image acquisition equipment, audio frequency input-output equipment;
Described interface unit comprises: screen interface, keyboard interface, function key interface, audio frequency input/output interface, video image acquisition interface, the antennal interface that links to each other with the CPS module with the MESH radio access module, the Ethernet interface that links to each other with network controller, the power interface that links to each other with power management module, the USB interface that links to each other with the USB interface chip;
Described ancillary equipment is connected with main control unit by described interface unit.
2. Ad hoc network terminal equipment according to claim 1 is characterized in that, described antenna comprises gps antenna, 2.4G antenna, and wherein, gps antenna is connected with the GPS module, and the 2.4G antenna is connected with the MESH radio reception device.
3. Ad hoc network terminal equipment according to claim 1 is characterized in that, described push-button unit comprises volume control key, a plurality of function key, PTT key, emergency button.
4. Ad hoc network terminal equipment according to claim 2 is characterized in that, described Ad hoc network terminal equipment is divided into vehicle-mounted type terminal equipment and handheld terminal equipment; Wherein the vehicle-mounted type terminal equipment comprises the Ad hoc network terminal equipment body, holder, vehicle GPS antenna, vehicle-mounted 2.4G antenna, hand miaow, vehicle-mounted USB camera, usb data line, vehicle power line, the audio output line of Ad hoc network terminal equipment body be used for to be installed.
5. Ad hoc network terminal equipment according to claim 4 is characterized in that, handheld terminal equipment comprises Ad hoc network terminal equipment body, antenna, battery, charger, usb data, power line.
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| CN108566626A (en) * | 2018-04-16 | 2018-09-21 | 重庆邮电大学 | A kind of Wireless Mesh emergency communication system and method based on intelligent terminal |
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| CN110312189A (en) * | 2019-06-10 | 2019-10-08 | 安徽沧浪网络科技有限公司 | A kind of audio collecting system based on wireless self-networking |
| CN110856123A (en) * | 2018-08-01 | 2020-02-28 | 珠海市名剑电器科技有限公司 | Novel portable intercom system of bluetooth and WIFI full duplex |
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2012
- 2012-12-24 CN CN 201220717281 patent/CN203193909U/en not_active Expired - Fee Related
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